Transcription: Solar powered flight offers the possibility of remaining perpetually in the air like a satellite within the atmosphere. The pilotless Pathfinder created in 1994 by AeroVironment is a major step toward realizing that goal. This ultralight has a 100 foot wingspan made almost entirely of solar panels. The panels convert the sun's energy to electricity which powers the plane's eight 1.5 horsepower motors. Later designs will be able to store enough electricity to allow the drone to fly through the night and they'll possess the stability and power to remain above the cloud cover in the thin upper re ...
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